Seiko Cal. 6646 - 993

The Seiko 6646-993 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a6190ccc9efb]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

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